The tongue coating is usually red and yellow. Patients with liver fire usually have headache, head swelling, dizziness and red face and ears, and have bitter mouth and dry throat, impatience or depression, insomnia, yellow urine and burning pain in the ribs and hypochondrium or vomiting of blood, bleeding and yellow urine, dry and knotty stools, and the tongue coating is usually red and yellow, and the pulse is stringy. Liver fire is mostly caused by emotional discomfort (emotional unhappiness), depression and fire, or caused by external heat, tobacco, alcohol and spices. If the liver fire violates the stomach (the fire produced by the liver invades the stomach), then the patient will have nausea, vomiting, pain in the abdomen and ribs, and can also choose to take Zuojin Pills under the guidance of a doctor for treatment. If you need to use medication, please under the guidance of a doctor, do not use medication without authorization.